Undocumented Matlab
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Medium risk of breaking in future versions

Function definition meta-info

There are multiple ways to retrieve meta-info about functions in Matlab.

September 4, 2013 6 Comments Read More »

Sparse data math info

Matlab contains multiple libraries for handling sparse data. These can report very detailed internal info.

July 31, 2013 2 Comments Read More »

Waterloo graphics beta

The Waterloo graphics library extends Matlab graphics with numerous customizable plots that can be embedded in Matlab figures.

June 26, 2013 11 Comments Read More »

Real-time trading system demo

A real-time Matlab-based end-to-end trading system demo is presented

May 29, 2013 One Comment Read More »

Setting class property types

Matlab's class properties have a simple and effective mechanism for setting their type.

April 18, 2013 40 Comments Read More »

Parsing mlint (Code Analyzer) output

The Matlab Code Analyzer (mlint) has a lot of undocumented functionality just waiting to be used.

April 10, 2013 8 Comments Read More »

JTattoo look-and-feel demo

A demo GUI that shows the effects of using different look-and-feels, including the JTatoo library, is presented.

March 20, 2013 13 Comments Read More »

HG's undocumented parameters interface

Some HG functions also accept inputs parameters in a struct fields rather than the normal P-V pairs format.

March 14, 2013 6 Comments Read More »

Customizing figure toolbar background

Setting the figure toolbar's background color can easily be done using just a tiny bit of Java magic powder. This article explains how.

February 20, 2013 6 Comments Read More »

Getting default HG property values

Matlab has documented how to modify default property values, but not how to get the full list of current defaults. This article explains how to do this.

February 13, 2013 7 Comments Read More »
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Recent Posts

Speeding-up builtin Matlab functions – part 3

Improving graphics interactivity

Interesting Matlab puzzle – analysis

Interesting Matlab puzzle

Undocumented plot marker types

Matlab toolstrip – part 9 (popup figures)

Matlab toolstrip – part 8 (galleries)

Matlab toolstrip – part 7 (selection controls)

Matlab toolstrip – part 6 (complex controls)

Matlab toolstrip – part 5 (icons)

Matlab toolstrip – part 4 (control customization)

Reverting axes controls in figure toolbar

Matlab toolstrip – part 3 (basic customization)

Matlab toolstrip – part 2 (ToolGroup App)

Matlab toolstrip – part 1

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Recent Comments
  • Nicholas (2 days 14 hours ago): Hi Yair, Thanks for the reply. I am on Windows 10. I also forgot to mention that this all works wonderfully out of the editor. It only fails once compiled. So, yes, I have tried a...
  • Nicholas (2 days 14 hours ago): Hi Yair, Thanks for the reply. I am on Windows 10. I also forgot to mention that this all works wonderfully out of the editor. It only fails once compiled. So, yes, I have tried a...
  • Yair Altman (2 days 22 hours ago): Nicholas – yes, I used it in a compiled Windows app using R2022b (no update). You didn’t specify the Matlab code location that threw the error so I can’t help...
  • Nicholas (3 days 18 hours ago): Hi Yair, Have you attempted your displayWebPage utility (or the LightweightHelpPanel in general) within a compiled application? It appears to fail in apps derived from both R2022b...
  • João Neves (6 days 22 hours ago): I am on matlab 2021a, this still works: url = struct(struct(struct(struct(hF ig).Controller).PlatformHost). CEF).URL; but the html document is empty. Is there still a way to do...
  • Yair Altman (9 days 21 hours ago): Perhaps the class() function could assist you. Or maybe just wrap different access methods in a try-catch so that if one method fails you could access the data using another...
  • Jeroen Boschma (10 days 0 hours ago): Never mind, the new UI components have an HTML panel available. Works for me…
  • Alexandre (10 days 1 hour ago): Hi, Is there a way to test if data dictionnatry entry are signal, simulink parameters, variables … I need to access their value, but the access method depends on the data...
  • Nicholas (10 days 15 hours ago): In case anyone is looking for more info on the toolbar: I ran into some problems creating a toolbar with the lightweight panel. Previously, the Browser Panel had an addToolbar...
  • Jeroen Boschma (13 days 22 hours ago): I do not seem to get the scrollbars (horizontal…) working in Matlab 2020b. Snippets of init-code (all based on Yair’s snippets on this site) handles.text_explorer...
  • Yair Altman (42 days 0 hours ago): m_map is a mapping tool, not even created by MathWorks and not part of the basic Matlab system. I have no idea why you think that the customizations to the builtin bar function...
  • chengji chen (42 days 6 hours ago): Hi, I have tried the method, but it didn’t work. I plot figure by m_map toolbox, the xticklabel will add to the yticklabel at the left-down corner, so I want to move down...
  • Yair Altman (50 days 0 hours ago): @Alexander – this is correct. Matlab stopped including sqlite4java in R2021b (it was still included in 21a). You can download the open-source sqlite4java project from...
  • Alexander Eder (55 days 19 hours ago): Unfortunately Matlab stopped shipping sqlite4java starting with R2021(b?)
  • K (62 days 6 hours ago): Is there a way to programmatically manage which figure gets placed where? Let’s say I have 5 figures docked, and I split it into 2 x 1, I want to place 3 specific figures on the...
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